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Cheap flights from Houston to London Heathrow Airport from £381

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
5 Jul — 12 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Houston to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 June 2026.

Sat 8/810:00
IAH
-
LHR
2 stops29h 00m
Air Canada
Sat 29/815:05
LHR
-
IAH
1 stop30h 41m
Air Canada
Deal found 1/6£700
Thu 15/1015:35
IAH
-
LHR
1 stop15h 05m
Lufthansa
Mon 19/1018:30
LHR
-
IAH
1 stop25h 05m
Lufthansa
Deal found 31/5£700
Mon 27/712:55
HOU
-
LHR
1 stop12h 20m
Virgin Atlantic
Wed 12/809:20
LHR
-
HOU
1 stop13h 05m
Virgin Atlantic
Deal found 1/6£701
Thu 15/1010:00
IAH
-
LHR
2 stops29h 00m
Multiple Airlines
Mon 19/1018:30
LHR
-
IAH
1 stop25h 05m
Multiple Airlines
Deal found 1/6£702
Mon 28/918:19
HOU
-
LHR
1 stop12h 31m
British Airways
Sat 10/1008:55
LHR
-
HOU
1 stop14h 57m
British Airways
Deal found 1/6£703
Sat 5/918:50
IAH
-
LHR
1 stop29h 30m
British Airways
Sun 20/909:10
LHR
-
IAH
Nonstop10h 15m
British Airways
Deal found 1/6£703
Sun 5/716:25
IAH
-
LHR
Nonstop9h 20m
Brussels Airlines
Tue 18/810:00
LHR
-
IAH
Nonstop10h 20m
Brussels Airlines
Deal found 1/6£704
Mon 6/721:10
IAH
-
LHR
Nonstop9h 15m
British Airways
Tue 18/814:45
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 1/6£705
Sat 15/818:14
HOU
-
LHR
1 stop32h 46m
British Airways
Mon 24/810:05
LHR
-
HOU
1 stop15h 46m
British Airways
Deal found 31/5£705
Fri 3/716:35
IAH
-
LHR
Nonstop9h 20m
United Airlines
Tue 25/807:25
LHR
-
IAH
1 stop15h 05m
United Airlines
Deal found 1/6£706
Fri 9/1010:00
IAH
-
LHR
1 stop14h 30m
Air Canada
Wed 21/1012:05
LHR
-
IAH
1 stop15h 47m
Air Canada
Deal found 2/6£706
Sat 5/918:14
HOU
-
LHR
1 stop32h 46m
British Airways
Sun 20/908:55
LHR
-
HOU
1 stop14h 47m
British Airways
Deal found 2/6£706

Find flight deals from Houston to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 June 2026.

Round-trip from

£700

One-way from

£381

Popular in

June

Cheapest in

February

Average price

£951
Air Canada
  • Air Canada
  • 8/8-29/8
  • 3 total stops
  • 59h 41m total
  • Houston to London
Search Deals
United Airlines
  • United Airlines
  • 19/7
  • Nonstop
  • 9h 20m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£162 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Houston to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 June 2026.
Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 30/8

16:52-11:20

1 stop12h 28m

London Heathrow

Sun 6/9

06:30-21:36

2 stops21h 06m

£709

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 5/10

14:25-13:05

2 stops16h 40m

London Heathrow

Sun 18/10

09:20-21:43

1 stop18h 23m

£712

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 5/10

06:00-06:20

2 stops18h 20m

London Heathrow

Mon 26/10

10:10-21:43

2 stops16h 33m

£712

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 24/7

15:27-13:45

2 stops16h 18m

London Heathrow

Tue 11/8

15:25-13:40

1 stop28h 15m

£721

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Fri 4/9

10:48-13:15

1 stop20h 27m

London Heathrow

Sat 12/9

13:25-21:35

1 stop14h 10m

£745

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Thu 8/10

06:00-06:25

1 stop18h 25m

London Heathrow

Sat 17/10

13:25-21:43

1 stop14h 18m

£746

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 24/8

14:37-16:25

3 stops19h 48m

London Heathrow

Mon 31/8

07:05-22:40

3 stops21h 35m

£773

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 22/7

12:55-06:25

1 stop11h 30m

London Heathrow

Tue 28/7

09:55-21:51

2 stops17h 56m

£829

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 20/8

16:14-21:40

2 stops23h 26m

London Heathrow

Sun 23/8

06:40-21:20

3 stops20h 40m

£840

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 13/7

05:30-07:10

1 stop19h 40m

London Heathrow

Mon 27/7

19:15-13:20

1 stop24h 05m

£859

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Houston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Houston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to London Heathrow Airport

What is the cheapest month to book a flight from Houston to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £75). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of £470). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to LHR?

Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 June 2026.

When flying from Houston to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Houston to London Heathrow Airport?

How often are flights from Houston to London delayed?

About 23% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for Houston to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 18% of flights being delayed.

How far ahead should I book a flight from Houston to London Heathrow Airport?

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 5 June 2026.
Read through reviews of airlines operating flights from Houston to London Heathrow Airport, such as Virgin Atlantic,United Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,780 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,038 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,028 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from Houston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston to London Heathrow Airport?

    Departing from Houston to London Heathrow Airport will take you 15h 05m. Airlines will cover a distance of 4820 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Houston to London Heathrow Airport round-trip from £301. Other airlines that can offer you cheap pricing are British Airways, from £374, and Lufthansa, from £386. These flights start at 51% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Houston to London Heathrow Airport are United Airlines (£182), Lufthansa (£278), and British Airways (£284).

  • Can I find deals for flights from Houston to Heathrow that include hotel bookings?

    Yes. In addition to deals on Houston to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Houston to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Heathrow.

  • Can I find deals for business class flights from Houston to Heathrow?

    Yes. Cheapflights offers flight deals from Houston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £75). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of £470). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Northampton
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Romford
Guildford
Poole

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Houston to Heathrow

Discover the top 4 airlines that operate flights from Houston to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£301Average£501FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£374Average£596FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£386Average£485FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£389Average£605FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Houston to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Houston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Houston to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Houston to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Houston to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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